Casement window opening control device
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United States of America Patent
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Jul 12, 2016
Issued Date -
N/A
app pub date -
Jun 23, 2015
filing date -
Oct 1, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A device may limit opening of a sash hingedly coupled to a master frame, and includes: a bracket attached to the sash; a first arm having a first end pivotally coupled to the bracket; a second arm having a first end pivotally coupled to the first arm's second end; means for biasing the second arm into a retracted position; and a release assembly. The release assembly is secured to the master frame and includes a hook pivotable between a first position and a second position, which, in the first position, may be releasably received in an opening in the second end of the second arm when the second arm is in the retracted position, as the sash is closed and received within the master window frame The second arm is disengaged from the hook, permitting fill opening of the sash, when the hook is pivoted into the second position.
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